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Fluid Mechanics mcqs

A 2″ Gate Valve Fitted In A Pipe Is Replaced By A Similar Globe Valve. Pressure Drop In Gate Valve Was Δp. For The Same Discharge, The Pressure Drop Across Globe Valve Is----------?

A 2″ Gate Valve Fitted In A Pipe Is Replaced By A Similar Globe Valve. Pressure Drop In Gate Valve Was Δp.

Δp2

< Δp

> Δp

Δp

A 0.5 M High Bed Made Up Of A 1 Mm Dia Glass Sphere (Density 2500 Kg/M3 ) Is To Be Fluidised By Water (Density 1000 Kg/M3 ). If At The Point Of Incipient Fluidisation, The Bed Voidage Is 40%, The Pressure Drop Across The Bed Is--------?

A 0.5 M High Bed Made Up Of A 1 Mm Dia Glass Sphere (Density 2500 Kg/M3 ) Is To Be Fluidised By Water (Density 1000 Kg/M3 ).

None Of These

3.7 Kpa

2.94 Kpa

4.4 Kpa

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